def run(fn):
    f = open(fn)
    s = f.read()
    f.close()
    f = open(fn+'1','wb')
    for i in range(0x600):
        f.write("%c"%0)
    for i in range(len(s)/2):
        f.write("%c"%int(s[i*2:i*2+2],16))
    f.close()


